Quiz 10 - 3.3 Flashcards
1
Q
the point underground where an earthquake begins
A
focus
2
Q
volcanic fragments called “little stones”
A
lapilli
3
Q
holes or cracks serving as escape vents for underground gases
A
fumaroles
4
Q
lava fragments that solidify almost immediately
A
tephra
5
Q
molten rock that has reached the earth’s surface
A
lava
6
Q
monstrous ocean waves that may be caused by earthquakes
A
tsunamis
7
Q
a break that appears in the rock at the boundary between two moving masses of rock
A
fault
8
Q
melted rock
A
magma
9
Q
The most famous scale sued to measure earthquake strength
A
Richter scale
10
Q
The study of earthquakes
A
seismology
11
Q
The belt of volcanoes that encircles the Pacific Ocean is know as this..
A
Ring of Fire
12
Q
The strength of an earthquake
A
magnitude